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发明名称
Means for lubricating internal bearings in centrifugal gas pumps
摘要
申请公布号
US2332614(A)
申请公布日期
1943.10.26
申请号
US19390253694
申请日期
1939.01.30
申请人
SWEARINGEN JUDSON S
发明人
SWEARINGEN JUDSON S.
分类号
F04D29/06;F16N7/30
主分类号
F04D29/06
代理机构
代理人
主权项
地址
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